The law relating to the exchange of goods and services between nations. Legal issues can relate to tariffs and government restrictions on export and import, as well as the contracts between the trading partners.

International trade is the exchange of goods and services across international boundaries or territories. In most countries, it represents a significant share of GDP. While international trade has been present throughout much of history (see Silk Road, Amber Road), its economic, social, and political importance has been on the rise in recent centuries.